https://docs.emtronaustralia.com.au/engine-management/config/ignition/dwell-table/index.htmlOverview The Dwell Table defines the ignition coil charge time (dwell) as a function typically of ECU Supply Voltage and Engine Speed. Dwell time is the amount of time the ignition coil primary winding is energised prior to the spark event and is expressed in units of milliseconds (ms).Hugoen-us